Blue Blood Cell and Dragon Fangs Sakurai finds Kumade's blood on the T. Rex and reveals Kumade was a gang member. His body was discovered by construction workers who sought help from Dr. Hachisuka at a nearby clinic. Takao deduces Kumade was responsible for a shooting in Nerima City and Sakurai confirms Kumade shot a Yakuza boss and is believed to have been killed in revenge, risking a gang war...